NPPES file of Aug 9, 2026

Vivek B. Narasimhan, M.D

Internal Medicine Physician · Lake Havasu City, AZ

Vivek B. Narasimhan, M.D is an internal medicine physician with a practice address in Lake Havasu City, Arizona, and NPI 1013302884, issued on Mar 30, 2015. Check the license (Arizona 62666, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013302884
Name
Vivek B. Narasimhan
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
62666 AZ
18068 NV
Self-reported in NPPES; status is on the state search
Practice location
1840 Mesquite Ave Ofc PE, Lake Havasu City, AZ 86403
Phone
(928) 208-4598
Enumerated
Mar 30, 2015
Record last updated
Aug 16, 2022
Fax
(623) 227-2000
Medicare enrollment
Enrolled (PECOS I20241014002873); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Vivek B. Narasimhan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 62666
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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59% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,298 Medicare Part D claims for 265 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Vivek Narasimhan1,298
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium127 claims
  2. Atorvastatin Calcium84 claims
  3. Furosemide61 claims
  4. Amlodipine Besylate44 claims
  5. Metformin Hcl41 claims
  6. Omeprazole38 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Newark Community Health Centers IncNewark, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vivek B. Narasimhan among 2,853 internal medicine physician records in Arizona

Vivek B. Narasimhan, M.D is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 70% of them.

  • NPI issued2015 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2004 · median 2003 among the 1,643 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 internal medicine physician records list a practice address in Lake Havasu City

They are 16 of the 626 NPPES records with a practice address in Lake Havasu City, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amelia Arevalo, M.D.Lake Havasu City, AZ 864031922105386
  2. Mark Chorebanian, MDLake Havasu City, AZ 864031003860842
  3. Gene Kalin, M.D.Lake Havasu City, AZ 864031649272030
  4. Craig Levy, MDLake Havasu City, AZ 864031528150455
  5. Steven Massad, MDLake Havasu City, AZ 864031386095743
  6. Harrison McDonald, D.O.Lake Havasu City, AZ 864031447251798
  7. Shirley Noronha, MDLake Havasu City, AZ 864031467566141
  8. Angelo Ong-Veloso, M.D.Lake Havasu City, AZ 864031124020284

Common questions

What is Vivek B. Narasimhan, M.D's NPI number?

Vivek B. Narasimhan, M.D's National Provider Identifier (NPI) is 1013302884, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Vivek B. Narasimhan, M.D located?

The NPPES record lists a practice address at 1840 Mesquite Ave Ofc PE, Lake Havasu City, AZ, 86403. Phone: (928) 208-4598. Providers update this record themselves, so call before visiting.

How can I verify Vivek B. Narasimhan, M.D's license?

NPPES lists Arizona license number 62666, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vivek B. Narasimhan, M.D prescribe under Medicare Part D?

In 2024, Vivek B. Narasimhan, M.D had 1,298 Medicare Part D claims for 265 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.